The pure-systems GmbH releases its feature model-based variant management systems pure::variants as Eclipse-based Developer Edition. Variant management is joined software development for a group of similar products (e.g. a software product line). Through variant managment the development process becomes more efficient, faster, and more reliable. With pure::variants a tool for variant management of product line based software development is available. pure::variants is the tool to outline and manage efficiently all parts of software products with their components, restictions and terms of usage. With this set of information and with the continuous tool support throughout the entire software configuration process valid solutions are created automatically from the choosen features. A free 30-day evaluation version is available here.